Finding the Fourth Proportional to 7,844,390.24, 11,766,616.08 and 5,184,406.88
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Solution
The fourth proportional to 7,844,390.24, 11,766,616.08 and 5,184,406.88 is: 7,776,630.62
Step by Step Solution
- Step 1: Write the proportion equation
7,844,390.24 : 11,766,616.08 = 5,184,406.88 : x - Step 2: Convert to fraction form
7,844,390.24/11,766,616.08 = 5,184,406.88/x - Step 3: Cross multiply
7,844,390.24x = 11,766,616.08 × 5,184,406.88 - Step 4: Simplify right side
7,844,390.24x = 61,002,925,359,470.63 - Step 5: Solve for x
x = 61,002,925,359,470.63/7,844,390.24 - Step 6: Final answer
x = 7,776,630.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.